package collection;
/**
 * 集合的排序
 * 静态方法sort可以对List集合惊醒自然排序从小到大
 */
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;

public class SortListDemo {
    public static void main(String[] args) {
    List<Integer>list = new ArrayList<>();
    Random random = new Random();
        for (int i = 0; i <10 ; i++) {
            list.add(random.nextInt(100));
        }
        System.out.println(list);
        Collections.sort(list);
        System.out.println(list);
    }
}
